The timeout setting is not negotiable, but you can change the object limitation. Though that should only be done in rare cases - most of the time the limit is reasonable, and having to set a bigger one is usually a failure in design.
You'll have to change the file %WinDir%\ADWS\Microsoft.ActiveDirectory.WebServices.exe.config on each ADWS domain controller by searching for <appSettings>, and adding the line

It might work, but seems to be ineffective for that much objects, as the AD is queried many, many times instead of having single calls. It depends on the focus - getting it to work at all, or being able to do without much workload and in reasonable time.

I thought I'd write this up for anyone who has a request to create an anonymous whistle-blower-type submission form created using SharePoint 2010 (this would probably work the same for 2013). It's not 100% fool-proof but it's as close as you can get…

This tutorial will walk an individual through configuring a drive on a Windows Server 2008 to perform shadow copies in order to quickly recover deleted files and folders.
Click on Start and then select Computer to view the available drives on the se…

This tutorial will walk an individual through the process of configuring their Windows Server 2012 domain controller to synchronize its time with a trusted, external resource.
Use Google, Bing, or other preferred search engine to locate trusted NTP …